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Guide and Manufacturer's Statement - RF Immunity
Recommended separation distances between portable and mobile RF
communications equipment and the device
The device is intended for use in an electromagnetic environment in which RF irradiation disturbances are controlled. The purchaser or user of the
device can help prevent electromagnetic interference by keeping the minimum distance between mobile or portable RF communications equipment
(transmitters) and the device, as recommended below, according to the maximum output power of the communications equipment.
Separation distance according to transmitter frequency (m)
Maximum rated
transmitter output power
(W)
150 kHz a 80 MHz
d = 1,17 √P
80 MHz a 800 MHz
d = 0,35 √P
800 MHz a 2.5 GHz
d = 0,7 √P
For transmitters whose maximum output power is not indicated above, the recommended separation distance d in meters (m) can be determined
using the equation applicable to the transmitter frequency, where P is the maximum output power of the transmitter in Watts (W) according to the
transmitter manufacturer.
NOTE 1: At 80 MHz and 800 MHz, the separation distance is applicable for the highest frequency range.
NOTE 2: These guidelines may not apply to all situations. Electromagnetic propagation is affected by the absorption and reflection of structures,
objects and people.
Immunity
test level
(V/m)
GSM 800/900, TETRA 800, iDEN
820, CDMA 850, Banda LTE 5
GSM 1800; CDMA 1900; GSM 1900;
DECT; Banda LTE 1, 3, 4, 25; UMTS
Bluetooth, WLAN 802.11 b/g/n, RFID
2450, Banda LTE 7
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